/Engine/Plugins/Online/OnlineServicesEOS/Source/Public/Online/AuthEOS.h
void OnEASLoginStatusChanged ( [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) LocalAccountId, [ELoginStatus](API\Plugins\OnlineServicesInterface\Online\UE__Online__ELoginStatus) PreviousStatus, [ELoginStatus](API\Plugins\OnlineServicesInterface\Online\UE__Online__ELoginStatus) CurrentStatus )